Centerpoint Energy Gas Transmission Company

Sixth Revised Volume No. 1

Effective Date: 02/28/2003, Docket: RP03-239-000, Status: Effective

Original Sheet No. 808 Original Sheet No. 808 : Effective

EXHIBIT ___

ELECTRONIC DATA INTERCHANGE TRADING PARTNER AGREEMENT

DATED ___________________

TO BE EFFECTIVE ____________________ (date)

7. Terms and Conditions: (If no special terms and conditions have been agreed upon, enter

"None.")

____________________________________________________________

8. Data Retention: (If no special data retention procedures have been agreed upon, enter

"None.")

____________________________________________________________

9. Limitation on Direct Damages: (If no limitation has been agreed upon, enter "None.")

____________________________________________________________

10. Confidential Information: (See Section 3.4 If no limitation has been agreed upon, enter

"None.")

____________________________________________________________

The undersigned do hereby execute this Exhibit pursuant to the Agreement attached and do hereby

ratify said Agreement for all purposes set forth in this Exhibit.

Company Name: ______________________ Company Name: ______________________

By: ________________________________ By: ________________________________

Printed Name: ______________________ Printed Name: ______________________

Title: _____________________________ Title: _____________________________